5618554 has 4 divisors (see below), whose sum is σ = 8427834. Its totient is φ = 2809276.

The previous prime is 5618549. The next prime is 5618567. The reversal of 5618554 is 4558165.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4558165 = 5 ⋅911633.

It can be written as a sum of positive squares in only one way, i.e., 3323329 + 2295225 = 1823^2 + 1515^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404637 + ... + 1404640.

Almost surely, 2^5618554 is an apocalyptic number.

5618554 is a deficient number, since it is larger than the sum of its proper divisors (2809280).

5618554 is a wasteful number, since it uses less digits than its factorization.

5618554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809279.

The product of its digits is 24000, while the sum is 34.

The square root of 5618554 is about 2370.3489194631. The cubic root of 5618554 is about 177.7767052308.

The spelling of 5618554 in words is "five million, six hundred eighteen thousand, five hundred fifty-four".